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ST111 数据表(PDF) 6 Page - Seiko Instruments Inc

部件名 ST111
功能描述  HIGH RIPPLE-REJECTION
PDF  23 Pages
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制造商  SII [Seiko Instruments Inc]
网页  http://www.sii.co.jp
标志 SII - Seiko Instruments Inc

ST111 数据表(HTML) 6 Page - Seiko Instruments Inc

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HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-T111 Series
Rev.3.1_00
Seiko Instruments Inc.
6
Electrical Characteristics
Table 4
(Ta
= 25°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
Output voltage
*1
VOUT(E)
VIN
= VOUT(S) + 1.0 V, IOUT = 30 mA
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
1
Output current
*2
IOUT
VIN
≥ VOUT(S) + 1.0 V
150
*5
⎯
⎯
mA
3
Dropout voltage
*3
Vdrop
IOUT
= 50 mA
1.5 V
≤ VOUT(S) ≤ 2.7 V
Not specified
V
1
2.8 V
≤ VOUT(S) ≤ 5.5 V
⎯
0.08
0.14
V
1
IOUT
= 100 mA
1.5 V
≤ VOUT(S) ≤ 1.6 V
⎯
0.32
0.55
V
1
1.7 V
≤ VOUT(S) ≤ 1.8 V
⎯
0.28
0.47
V
1
1.9 V
≤ VOUT(S) ≤ 2.3 V
⎯
0.25
0.35
V
1
2.4 V
≤ VOUT(S) ≤ 2.7 V
⎯
0.20
0.29
V
1
2.8 V
≤ VOUT(S) ≤ 5.5 V
⎯
0.19
0.26
V
1
Line regulation
OUT
IN
OUT1
V
V
V
•
Δ
Δ
VOUT(S)
+ 0.5 V ≤ VIN ≤ 6.5 V,
IOUT
= 30 mA
⎯
0.05
0.2
%/V
1
Load regulation
ΔVOUT2
VIN
= VOUT(S) + 1.0 V,
1.0 mA
≤ IOUT ≤ 80 mA
⎯
12
40
mV
1
Output voltage
temperature coefficient
*4
OUT
OUT
V
Ta
V
•
Δ
Δ
VIN
= VOUT(S) + 1.0 V, IOUT = 10 mA,
−40°C ≤ Ta ≤ 85°C
⎯
±100
⎯
ppm/
°C1
Current consumption
during operation
ISS1
VIN
= VOUT(S) + 1.0 V, ON/OFF pin = ON,
no load
⎯
50
90
μA
2
Current consumption
during power-off
ISS2
VIN
= VOUT(S) + 1.0 V, ON/OFF pin = OFF,
no load
⎯
0.1
1.0
μA
2
Input voltage
VIN
⎯
2.0
⎯
6.5
V
⎯
ON/OFF pin
input voltage “H”
VSH
VIN
= VOUT(S) + 1.0 V, RL = 1.0 kΩ
1.5
⎯
⎯
V
4
ON/OFF pin
input voltage “L”
VSL
VIN
= VOUT(S) + 1.0 V, RL = 1.0 kΩ
⎯
⎯
0.3
V
4
ON/OFF pin
input current “H”
ISH
VIN
= 6.5 V, VON/OFF = 6.5 V
−0.1
⎯
0.1
μA
4
ON/OFF pin
input current “L”
ISL
VIN
= 6.5 V, VON/OFF = 0 V
−0.1
⎯
0.1
μA
4
Ripple rejection
RR
VIN
= VOUT(S) + 1.0 V, f = 1.0 kHz,
ΔVrip = 0.5 Vrms, IOUT = 30 mA
⎯
80
⎯
dB
5
Short-circuit current
Ishort
VIN
= VOUT(S) + 1.0 V, ON/OFF pin = ON,
VOUT
= 0 V
⎯
200
⎯
mA
3
*1. VOUT(S): Set output voltage
VOUT(E): Actual output voltage
Output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S)
+ 1.0 V
*2. The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current.
*3. Vdrop = VIN1
− (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S)
+ 1.0 V and IOUT = 50 mA or IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
ΔVOUT
ΔTa []
mV/°C
*1 = V
OUT(S) []
V
*2 ×
ΔVOUT
ΔTa • VOUT []
ppm/°C
*3 ÷ 1000
*1. Change in temperature of output voltage
*2. Set output voltage
*3. Output voltage temperature coefficient
*5. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the
power dissipation of the package when the output current is large.
This specification is guaranteed by design.



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